builderworld: 
  type: world 
  events: 
    on player changes world to builderworld:
    - if <player.inventory.stack> >= 1 { 
      - narrate "<&6>[<&f>SedexCraft<&6>] <&c>Please clear your inventory before teleporting"
      - determine cancelled 
      }
    on player changes world from builderworld:
    - if <player.inventory.stack> >= 1 {
      - narrate "<&6>[<&f>SedexCraft<&6>] <&c>Please clear your inventory before teleporting"
      - determine cancelled
      }